Home / 12,818.76-17,689.28-9,460.34

Finding the Fourth Proportional to 12,818.76, 17,689.28 and 9,460.34

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Solution

The fourth proportional to 12,818.76, 17,689.28 and 9,460.34 is: 13,054.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.76 : 17,689.28 = 9,460.34 : x
  2. Step 2: Convert to fraction form
    12,818.76/17,689.28 = 9,460.34/x
  3. Step 3: Cross multiply
    12,818.76x = 17,689.28 × 9,460.34
  4. Step 4: Simplify right side
    12,818.76x = 167,346,533.74
  5. Step 5: Solve for x
    x = 167,346,533.74/12,818.76
  6. Step 6: Final answer
    x = 13,054.82

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.